Typical Weather in Charleston, SC in December
61° F Avg High
46° F Avg Low
5 Rainy Days
☀️ Temperature Summary
Highs in December are typically around 61°F, which is cooler than usual in Charleston. You can expect overnight lows near 46°F most days.
December is a great time to visit Charleston, with mild temperatures and sunny days being very common.
High Temps Throughout the Year
☔ Rain Summary
You can expect about a 16% chance of rain for any given day in December. It's one of the drier months of the year for Charleston, with total rainfall for the month around 3 inches.
Rainfall Throughout the Year
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📍 Nearby Cities in December
38°F
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26°F
63°F
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39°F
38°F
/
24°F
57°F
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34°F
56°F
/
38°F
60°F
/
42°F
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